Meaning of “further” - Learner’s Dictionary

further

adverb uk us /ˈfɜːðər/
MORE

B2 more:

He refused to discuss the matter further.
Are these prices likely to be reduced any further?
Have you got any further (= achieved any more) with your research?
PLACE/TIME

B1 comparative of far adverb : at or to a place or time that is a longer distance away:

Let's walk a bit further down the road.
I can't remember any further back than that.

(Definition of “further adverb” from the Cambridge Learner’s Dictionary © Cambridge University Press)